Burns, A. C., & Bush, R. F. (2008). Basic marketing research: Using Microsoft Excel data analysis (2nd ed.). Pearson Prentice Hall.

Burns, Alvin C., and Ronald F. Bush. Basic Marketing Research: Using Microsoft Excel Data Analysis. 2nd ed. Upper Saddle River, N.J.: Pearson Prentice Hall, 2008.

Burns, Alvin C., and Ronald F. Bush. Basic Marketing Research: Using Microsoft Excel Data Analysis. 2nd ed. Pearson Prentice Hall, 2008.